Excel plugin- How to resolve an Invalid range instance error

You need to close all the sheets opened at your end and then clear your cache memory.

  1. Click the Wrench icon (at the top right of the browser)..>Select the option Tools..>Click 'Clear Browsing Data'..>Mark the' Empty the cache' option..>Click the button 'Clear Browsing Data

      2. The keyboard shortcut is Shift+Ctrl+Delete.

Once you have done the same, please open a single sheet and then try to send the messages.

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